Home / 12,218.08-18,327.04-2,984

Finding the Fourth Proportional to 12,218.08, 18,327.04 and 2,984

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Solution

The fourth proportional to 12,218.08, 18,327.04 and 2,984 is: 4,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.08 : 18,327.04 = 2,984 : x
  2. Step 2: Convert to fraction form
    12,218.08/18,327.04 = 2,984/x
  3. Step 3: Cross multiply
    12,218.08x = 18,327.04 × 2,984
  4. Step 4: Simplify right side
    12,218.08x = 54,687,887.36
  5. Step 5: Solve for x
    x = 54,687,887.36/12,218.08
  6. Step 6: Final answer
    x = 4,475.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.